This product exceeded our expectations.  Great price, great value.  The product itself is good quality and is perfect for our use, which is to block the sun in the afternoons on our deck.
The product rolls up and down easily, with the bar that can be detached when not in use.   We would give this product an A.

Pros: Great Price, Blocks strong sun rays.  It also comes with brackets, than can be attached at the bottom.
Cons: No cons so far.